There were 4 illustrations found for H. Riffarth
2 1069825 Vriesea morreniana E.MorrenE.A. von Regel, Gartenflora, vol. 37 : p. 416, fig. 95 (1888) [H. Riffarth]
1452891Staphylea trifoliata L.
E.A. von Regel, Gartenflora, vol. 37 : p. 529 (1888) [H. Riffarth]
2 79531 Araucaria cunninghamii Aiton ex D. DonE.A. von Regel, Gartenflora, vol. 37 : p. 568 (1888) [H. Riffarth]
2 1082852 Zizania aquatica L.E.A. von Regel, Gartenflora, vol. 38 : p. 263 (1889) [H. Riffarth]